Expert VB 2005 Business Objects Second Edition phần 7 pps

... ApplicationContext.User.IsInRole("") End Function CHAPTER 7 ■ USING THE CSLA .NET BASE CLASSES394 Figure 7- 10. Comparing simple root objects (left) and collection root objects (right) 6315_c 07_ final.qxd 4 /7/ 06 2:19 PM Page 394 Handling ... to create business objects that enjoy all the features and capabilities built into the CSLA .NET framework. The great thing is th...

Ngày tải lên: 12/08/2014, 16:21

... FRAMEWORK DESIGN 67 6315_c02_final.qxd 4/13/06 12: 27 PM Page 67 A business object taps into this functionality through methods exposed on BusinessBase. The end result is that a business property ... 12: 27 PM Page 86 Business Framework Implementation In Chapter 1, I discussed the concepts behind the use of business objects and distributed objects. In Chapter 2, I explored th...

Ngày tải lên: 12/08/2014, 16:21

... the BusinessBase class is now complete. BusinessListBase Class While BusinessBase is the primary base class for building business objects, the framework must also s upport c ollections o f business ... the four primary base classes a business developer will use to create editable and read-only business objects and collections: • Csla.BusinessBase(Of T) • Csla.BusinessListBase(Of...

Ngày tải lên: 12/08/2014, 16:21

... state of the business object itself. If the business object is a subclass of CommandBase, then the method name is DataPortal_Execute. For any other objects that don’t inherit from BusinessBase, ... in how the business object is created. Where Create() is passed the type of the business object as a parameter, Fetch() calls a CreateBusinessObject() helper method: obj = CreateBusin...

Ngày tải lên: 12/08/2014, 16:21

... code reuse offered by these methods CHAPTER 5 ■ COMPLETING THE FRAMEWORK 277 6315_c05_final.qxd 4/13/06 12:36 PM Page 277 SmartDate can translate dates the other way as well, such as converting ... SmartDate. Common Business Rules The BusinessBase class implemented in Chapter 3 includes support for validation rules. Each rule is a method with a signature that conforms to the RuleHandle...

Ngày tải lên: 12/08/2014, 16:21

... delete operations as well. CHAPTER 7 ■ USING THE CSLA .NET BASE CLASSES 371 Figure 7- 5. Loading child objects with data 6315_c 07_ final.qxd 4 /7/ 06 2:19 PM Page 371 Though this procedure updates ... discuss how child objects load their data. CHAPTER 7 ■ USING THE CSLA .NET BASE CLASSES 370 Figure 7- 4. Retrieving an existing root object 6315_c 07_ final.qxd 4 /7/ 06 2:19 PM Pa...

Ngày tải lên: 12/08/2014, 16:21

... disposed. CHAPTER 9 ■ WINDOWS FORMS UI 477 6315_c09_final.qxd 4 /7/ 06 2:12 PM Page 477 Try mRoles = Admin.Roles.GetRoles Catch ex As Csla.DataPortalException MessageBox.Show(ex.BusinessException.ToString, ... original exception thrown by the business code, use the BusinessException property. Remember that you can also use the BusinessObject property to get a reference to the business...

Ngày tải lên: 12/08/2014, 16:21

... ser vices on business objects like those in this book wor ks out w ell in this model, because all your business logic is in those objects. If the service merely provides an interface to the objects, ... discuss the creation of a Web Services interface for the ProjectTracker business objects in order to illustrate how business objects can support the creation of web services....

Ngày tải lên: 12/08/2014, 16:21

... interface design, 469– 472 authentication, 470 local data por tals , 470 Index 6 27 6315_idx_final.qxd 4 /7/ 06 5: 27 PM Page 6 27 CanGetObject method editable root business objects, 3 87 implementing Project ... child business objects , 388–391 editable child collections , 3 97 398 editable root business objects, 384–3 87 ■INDEX636 6315_idx_final.qxd 4 /7/ 06 5: 27 PM Pag...

Ngày tải lên: 12/08/2014, 16:21

... DISTRIBUTED ARCHITECTURE6 6315_c01_final.qxd 4 /7/ 06 2:03 PM Page 6 Rockford Lhotka Expert VB 2005 Business Objects Second Edition 6315_fm_final.qxd 4 /7/ 06 5:24 PM Page i Web Services and SOA . . ... Framework. . . . . . . . . . . . . . . . . . . . . . 570 ■CONTENTSxii 6315_fm_final.qxd 4 /7/ 06 5:25 PM Page xii E xpert VB 2005 Business Objects, Second Edition Cop...

Ngày tải lên: 03/06/2014, 00:46